Effects of Climate Change on Peatland Reservoirs: A DOC Perspective

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Abstract Peatland reservoirs are global hotspots for drinking water provision and are likely to become more important as demand per capita rises and the climate changes. Dissolved organic carbon (DOC) is associated with harmful disinfection byproducts and reduced aesthetic quality, and its removal is the major treatment cost. Littoral zones are known to be disproportionately important for DOC production through macrophyte inputs, and such communities are predicted to expand with warming in northern regions. However, little is known about autochthonous DOC contributions and their response to climatic change. Here we exposed mesocosms to elevated CO2 (eCO2), warming and a combined treatment across a trophic gradient. Regression analysis indicated that while sediments, macrophytes, and phytoplankton are important DOC sources (P 

Keywords

  • algae, dissolved organic carbon, drinking water, macrophytes, phytoplankton, water treatment
Original languageEnglish
Article numbere2021GB006992
JournalGlobal Biogeochemical Cycles
Volume35
Issue number7
Early online date25 Jun 2021
DOIs
Publication statusPublished - Jul 2021

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